Home / 218,634.04-301,716.66-123,131.80

Finding the Fourth Proportional to 218,634.04, 301,716.66 and 123,131.80

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Solution

The fourth proportional to 218,634.04, 301,716.66 and 123,131.80 is: 169,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,634.04 : 301,716.66 = 123,131.80 : x
  2. Step 2: Convert to fraction form
    218,634.04/301,716.66 = 123,131.80/x
  3. Step 3: Cross multiply
    218,634.04x = 301,716.66 × 123,131.80
  4. Step 4: Simplify right side
    218,634.04x = 37,150,915,435.79
  5. Step 5: Solve for x
    x = 37,150,915,435.79/218,634.04
  6. Step 6: Final answer
    x = 169,922.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.